Food 4 less has a meat section. Customers pick numbers and get called to order their meat of choice. If the numbers picked as at 10am on Thursday range from 23-37 with both numbers included, and the new shift manager,Steven decides to call customers randomly from 23-37 (both numbers inclusive).

What is the probability that a number called at random is:

(a)a prime number

(b) either a prime number or an even number

c) a square number or an even number. A square number is a number that is derived when a number is multiplied by itself. For example, 100 is a square number (because 10x10=100)

(d) a number that is even given that it is divisible by 4